Wendy Gonzalez f64b323ea4 404 fix and new resource added (#26564) ...

previous hackerrank link gave a 404 error and added interview cake to list of interview resources

2018-11-29 00:20:43 -08:00

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index.md

404 fix and new resource added (#26564)

2018-11-29 00:20:43 -08:00